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HTH 408 EXAM 2 COMPLETE QUESTIONS AND VERIFIED SOLUTIONS LATEST UPDATE THIS YEAR

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Pass the HTH 408 Exam 2 with confidence using this complete study guide featuring verified questions and solutions. Covers every key topic: probability vs. non-probability sampling, sampling frames, experimental research requirements (random assignment, pre/post-testing), quasi-experimental design, ethical considerations, questionnaire design (9 steps from constructs to pretesting), double-barreled questions, social desirability bias, data collection methods (personal, CATI, virtual), data organization (codebooks, unique IDs, logical formatting), software packages (SPSS, SAS, STATA, R-Studio), variable types (ordinal, interval, ratio, numerical), parametric vs. nonparametric data, normal distribution & empirical rule (68-95-99.7), skewed distributions, univariate analysis (descriptive & inferential), measures of central tendency (mean, median, mode) & variability (range, standard deviation, variance, IQR), psychometric scales, statistical tests (t-test, ANOVA, Mann-Whitney, Kruskal-Wallis), Type I & II errors, confidence intervals, regression (simple & multiple), MANOVA, ANCOVA, and Cronbach's alpha. Perfect for health science students mastering research methods and data analysis.

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HTH 408 EXAM 2 COMPLETE QUESTIONS AND VERIFIED
SOLUTIONS LATEST UPDATE THIS YEAR


Sampling types can be divided into which two large groups? - ANSWER-
Probability and Non-probability sampling


Sampling frame - ANSWER-List of the entire population under study (ex, JMU
email list)


When do you usually use quantitative and qualitative studies? - ANSWER--
Quantitative: Probability
- Qualitative: Non probability


3 Basic requirements of Experimental Research - ANSWER-1) randomly assign
participants into control & experimental
2) Conduct pre/posttest measure to measure expected areas of change
3) protect findings from other external explanations


What are some ethical considerations in research? - ANSWER--treat participants
with respect
-notify participants about risks
-obtain consent to participate


When would quasi-experimental research be useful? - ANSWER-When you can't
randomly assign participants to control or experimental groups


What types of research is quasi-experimental generally used in? - ANSWER--
Educational

1

, -Medical


Untested questionnaires - ANSWER-Non-standardized survey questionnaires


Tested Questionnaires - ANSWER-Standardized survey questionnaires (ex: math,
writing or reading tests we take in school)


Step 1 in designing a questionnaire - ANSWER-Develop a list on constructs
around your hypothesis


Step 2 in designing a questionnaire - ANSWER-Determine how each construct will
be accurately measured in question form
-examine literature to find example constructs
-search for established instruments/scales to measure your constructs


Step 3 in designing a questionnaire - ANSWER-Think about all possible answers
to the survey questions
-answer choices should never overlap each other


Step 4 in designing a questionnaire - ANSWER-Avoid misleading, socially
desirable, double-barreled questions
ex: consider language barriers of pop, don't use bias language,


What are double-barreled questions? - ANSWER-A question that asks multiple
concepts in one question but only allows one answer


Step 5 in designing a questionnaire - ANSWER-Organize survey in a way that
attracts and holds participant attention
2

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